Fixed occasional download issue due to pipelining of downloads and having an intermediate piece fail

Fixed installing missing base app when starting a mod

Fixed missing localization string in the left games list piece of the UI

Mac OS X

Added support for Mac OS X 10.9 (Mavericks) App Nap feature

Updated Overlay check to work correctly with API changes in Mac OS X 10.9 (Mavericks). Note that the location to enable Accessibility services in 10.9 has moved to System Preferences > Security and Privacy > Privacy

Fixed crash on OSX when using an AirPlay display

Fixed the overlay check mis-reporting causing some games to believe the overlay is unavailable when it actually was present

Linux

Fixed a crash when launching games from Steam that created their GL context in global constructors

Fixed bad check box images in the HTML control

Windows

Fixed hangs on some machines when using the serverbrowser or launching games that use its services

A new Mac-only Steam Client update has been released. This is an interim release which only addresses the following issues:

- (Mac) fixed an issue that caused some users to get stuck in "Checking for updates..."- (Mac) fixed a startup crash when launching Steam with no input devices attached- (Mac) fixed a crash that could occur for some users when installing new games

A new Steam Client update has been released and will be automatically downloaded. The specific changes are listed below.

General:

- Fixed a possible UI hang at startup- Improved reliability for Steamworks P2P networking- Added multi-pass retry logic for Steam client updating process- Added the ability to temporarily override the download bandwidth limit when launching a game that needs updating- Removed Approximate speed of your connection selector from Settings->Downloads. This was only used to set a default rate setting for some Valve and Source Engine games. The default rate value is correct for almost everyone and the value should be adjusted in each game if appropriate going forward .- Fixed game update issue when an unexpected folder exists in the install directory and we need to replace it with a file- Fixed restoring game backups for Half-Life and Half-Life 2 engine based games- Fixed picking the wrong Steam Library folder for games with dependencies on already installed games- Fixed a case where the toast from an incoming chat message would show an older message instead of the most recent- Improved Time remaining calculation when downloading or updating games- Fixed Half-Life mods running the incorrect binary on OSX/Linux- Fixed desktop dialog layout when running an install script- Increased the size of Big Picture and Steamworks API HTTP caches on disk, but also added a 10k file per cache upper limit on individual file count regardless of total disk space used- Improved reliability of store/community web auto-login inside the client in some unusual HTTP proxy environments- Linux: Fix shift and control key state sticking sometimes, such as during screenshot selection

Big Picture:

- Fixed a case where footer buttons could double activate and trigger the activation failure sound erroneously- Added support for purchasing subscription based games- Fixed a case where input focus could escape modal dialogs incorrectly- Fixed a rare crash if running Big Picture and alt-tabbed to another non-Steam and non-game window while Steam is trying to show a notification- OSX/Linux: Fix for re-sizing Big Picture after a game changes the screen resolution

A new Steam Client update has been released and will be automatically downloaded. The specific changes are listed below.

General:

- Added rate-limiting of Steam game downloads, via Settings -> Downloads- Added "View" button to the downloads page for workshop items that shows you which items have been updated- Fix client update-loops caused by inconsistent server and proxy-cache states- Friends will now show an icon next to their Online status to indicate if they are using Big Picture Mode, Steam Mobile, or Steam Web Chat- Fixed a rare crash loading certain corrupt jpg images- Increased font size in chat to improve readability

Linux:

- Fix handling of http_proxy environment variable http:// prefix in some instances- Overlay enable hotkey now handles more shifted keys correctly- Most-recently-played tray menu will not have an extra separator if no games have been played

Big Picture:

- Workaround which fixes common D3D internal crash introduced by IE10/KB2670838 on Windows 7- Added activate product on Steam path to Big Picture- Fixed focus order of elements in Library Details view after Workshop- Fixed opacity mask flash on transition in and out of main menu- Implement native Steam Service install dialog on game launch if needed to avoid desktop dialog appearing- Windows: Avoid more context changes in rendering for small perf improvement on low end hardware